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Yamamoto Y, Ohta A, Usui N, Imai K, Kagawa Y, Takahashi Y. Incidence trends and risk factors for hyponatremia in epilepsy patients: A large-scale real-world data study. Heliyon 2023; 9:e18721. [PMID: 37554799 PMCID: PMC10404753 DOI: 10.1016/j.heliyon.2023.e18721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 07/11/2023] [Accepted: 07/25/2023] [Indexed: 08/10/2023] Open
Abstract
OBJECTIVE This study aimed to evaluate the annual incidence and risk factors of hyponatremia in pediatric, adult, and older adult patients with epilepsy. METHODS We enrolled 26,179 patients: 8598 pediatric patients (aged 0-15 years), 16,476 adults (aged 16-64 years), and 1105 older adults (aged ≥65 years). Patients were included if their serum sodium levels were measured between January 2006 and December 2020. Moderate-severe hyponatremia was defined as a serum sodium level of less than 130 mEq/L. RESULTS From 2006 to 2020, 677 patients (2.6%) developed moderate-severe hyponatremia. The incidence of hyponatremia per 1000 person-years was 3.1 in the pediatric group, 19.8 in the adult group, and 50.4 in the older adult group. The incidence increased markedly from 36.8 in 2007 to 58.5 in 2020 in the older adult group but remained unchanged in the adult group and tended to decrease in the pediatric group. In the multiple logistic regression model, use of carbamazepine, valproate, phenytoin, phenobarbital, benzodiazepines, and antipsychotics was found to be a significant risk factor for hyponatremia. In adult patients, carbamazepine, benzodiazepine, and antipsychotics induced hyponatremia in a dose-dependent manner. Concomitant use of zonisamide reduced the risk of hyponatremia. SIGNIFICANCE Hyponatremia will become an increasingly important concern in clinical settings because the population of epilepsy patients is aging. Serum sodium levels should be monitored carefully when patients are receiving first-generation antiseizure medications or antipsychotics or combinations of these drugs. Our findings may help to minimize the risk of hyponatremia in epilepsy patients.
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Affiliation(s)
- Yoshiaki Yamamoto
- Department of Clinical Research, NHO, National Epilepsy Center, Shizuoka Institute of Epilepsy and Neurological Disorders, 886 Urushiyama, Shizuoka, 420-8688, Japan
- Department of Clinical Pharmaceutics, Graduate School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Shizuoka, 422-8526, Japan
| | - Akiko Ohta
- Department of Clinical Research, NHO, National Epilepsy Center, Shizuoka Institute of Epilepsy and Neurological Disorders, 886 Urushiyama, Shizuoka, 420-8688, Japan
| | - Naotaka Usui
- Department of Clinical Research, NHO, National Epilepsy Center, Shizuoka Institute of Epilepsy and Neurological Disorders, 886 Urushiyama, Shizuoka, 420-8688, Japan
| | - Katsumi Imai
- Department of Clinical Research, NHO, National Epilepsy Center, Shizuoka Institute of Epilepsy and Neurological Disorders, 886 Urushiyama, Shizuoka, 420-8688, Japan
| | - Yoshiyuki Kagawa
- Department of Clinical Pharmaceutics, Graduate School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Shizuoka, 422-8526, Japan
- Laboratory of Clinical Pharmacokinetics and Drug Safety, Shizuoka General Hospital, 4-27-1 Kita Ando, Shizuoka, 420-8527, Japan
| | - Yukitoshi Takahashi
- Department of Clinical Research, NHO, National Epilepsy Center, Shizuoka Institute of Epilepsy and Neurological Disorders, 886 Urushiyama, Shizuoka, 420-8688, Japan
- Department of Clinical Pharmaceutics, Graduate School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Shizuoka, 422-8526, Japan
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Liu P, He M, Xu X, He Y, Yao W, Liu B. Real-world safety of Lacosamide: A pharmacovigilance study based on spontaneous reports in the FDA adverse event reporting system. Seizure 2023; 110:203-211. [PMID: 37423166 DOI: 10.1016/j.seizure.2023.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 07/01/2023] [Accepted: 07/04/2023] [Indexed: 07/11/2023] Open
Abstract
INTRODUCTION Lacosamide is licensed for the treatment of focal seizures in both adults and children, however there is little information available on its adverse reactions. Using the FDA Adverse Event Reporting System (FAERS), we seek to assess adverse occurrences that may be related to Lacosamide. METHODS On the basis of the FAERS database from the fourth quarter of 2008 to the second quarter of 2022, disproportionality analysis was carried out using the reporting odds ratio (ROR) method, the United Kingdom Medicines and Healthcare Products Regulatory Agency omnbius standard (MHRA) method, and the bayesian confidence propagation neural network (BCPNN) method. We extracted valuable positive signals for designated medical event (DME) screening, focused on the evaluation and comparison of safety signals appearing in DME with system organ classification (SOC) analysis. RESULTS A total of 10,226 adverse reaction reports with Lacosamide as the primary suspect drug were obtained, with 30,960 reported cases, detecting 232 valuable positive signals, involving a total of 20 SOCs, of which the most frequently reported SOCs were nervous system disorders (6537 cases, 55.21%), psychiatric disorders (1530 cases, 12.92%), injury poisoning and procedural complications (1059 cases, 8.94%). According to 232 valuable positive signals with DME screening results, two signals of stevens-johnson syndrome and ventricular fibrillation were consistent with PT signals on the DME list, with the two SOCs focusing on skin and subcutaneous tissue disorders and cardiac disorders, respectively. CONCLUSIONS Our research demonstrates that the clinical use of Lacosamide should be noticed and avoided in relation to ADRs since it raises the risk of cardiac arrest, ventricular fibrillation, stevens-johnson syndrome, and rhabdomyolysis.
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Affiliation(s)
- Pengcheng Liu
- China Pharmaceutical University School of International Pharmaceutical Business, Nanjing 211198, Jiangsu, China
| | - Mengjiao He
- China Pharmaceutical University School of International Pharmaceutical Business, Nanjing 211198, Jiangsu, China
| | - Xiaoli Xu
- China Pharmaceutical University School of International Pharmaceutical Business, Nanjing 211198, Jiangsu, China
| | - Yun He
- China Pharmaceutical University School of Science, Nanjing 211198, Jiangsu, China
| | - Wenbing Yao
- China Pharmaceutical University School of International Pharmaceutical Business, Nanjing 211198, Jiangsu, China
| | - Bin Liu
- Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang, China.
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Abstract
Introduction: Lacosamide has been used in epilepsy patients in the United States, Europe and Asia since it was approved by the FDA in 2008. Many patients have benefited from this drug as a new generation of sodium channel blocker. With the worldwide use of this drug, its adverse effects have gradually emerged, especially some rare adverse events.Areas covered: The present review aims to summarize the adverse effects of lacosamide reported in the literature in recent years to promote the safe clinical application of the drug.Expert opinion: In more than 10 years of experience in drug usage, adverse reactions of lacosamide have also been gradually discovered. The review showed that lacosamide is safe and effective in antiepileptic treatment, and its common side effects are dizziness, headache, drowsiness, diplopia, and cardiovascular abnormalities. Skin rashes, hematotoxicity and heart damage, psychological symptoms and suicide risk have also been reported and emphasized.
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Affiliation(s)
- Jiyuan Li
- Department of Neurology, First Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China
| | - Meizhen Sun
- Department of Neurology, First Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China
| | - Xuefeng Wang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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